Planetstupid.com: “Polar Bears” [00:55]# Right in the middle of a city, polar bears suddenly begin to fall from the sky. They crash off the sharp edges of the office towers and slide down glassy surfaces, leaving a trail of blood in their wake. The drone of a plane becomes ever louder, the number of polar bears increases. Soon, the streets are full of bloody cadavers. A controversial spot for Planetstupid, a network dedicated to halting the continued expansion of international air traffic. Super: “An average European flight produces over 400 kg of greenhouse gases for every passenger…that’s the weight of an adult polar bear. planestupid.com.”